desocupar
vacate
des-
un-, dis-
+
occupy
to occupy
+
-ar
verb suffix
Desocupar means to vacate and can be thought of as des-0 (un- or dis-0) + occupy1 + -ar2 (verb suffix2), literally meaning 'to un-occupy'.
verb
  1. vacate
    To vacate or empty a place
    Por favor, desocupa la habitación antes del mediodía. // Please vacate the room before noon.
  2. free up
    To free up or make available
    Desocupé mi agenda para poder asistir a la reunión. // I freed up my schedule to attend the meeting.